(function() {
  var footprints, solipsism;
  if ((typeof mind !== "undefined" && mind !== null) && !(typeof world !== "undefined" && world !== null)) {
    solipsism = true;
  }
    if (typeof speed !== "undefined" && speed !== null) {
    speed;
  } else {
    speed = 75;
  };
  footprints = typeof yeti !== "undefined" && yeti !== null ? yeti : "bear";
}).call(this);